The scenario is a genre of erotica, which on the internet is sometimes abbreviated to CMNF, and may involve sexual and nonsexual erotic scenarios. This style of filming is in contrast to having a separate, third-person camera crew filming all the action. Related genres include: Amateur pornography lesbian milfs originally referred only to pornography produced by amateurs but now also includes professionally made pornography designed to appear as if it were amateur. Individuals are also sometimes abbreviated when referred to in writing, so a dominant person may be referred to as a Dom for a man, and a Domme for a woman. A survey by the New York City Department of Health and Mental Hygiene found that heterosexual women are more likely to bareback when engaging in anal sex than homosexual and bisexual men. Urolagnia is a form of salirophilia in which sexual excitement is associated with the sight or thought of urine or urination. A pornographic work is characterized as hardcore if it has any hardcore content, no matter how small. Originating in Japan in the 1980s, the genre subsequently hot gay sex spread to North America and Europe, and crossed over into gay pornography. It concludes these findings suggest that an explanation for fat admiration may be that FAs are rejecting sociocultural norms of attractiveness. The prostate gland is one of the organs that contributes fluid to semen. They further argue that setting a discrete line between safe and not-safe activities ideologically denies consenting adults the right to evaluate risks vs rewards for themselves; that some adults will be drawn to certain activities regardless of the risk; and that BDSM play—particularly higher-risk play or edgeplay—should be treated with the same regard as extreme sports, with both respect and the demand that practitioners educate themselves and practice the higher-risk activities to decrease risk. The 3d hentai term hentai is never used in this context in Japanese. Group sex is sexual behavior involving more than two participants.